Eighteen Sound XT1086 (clone)
Manufacturers Info
Brand: ???
Model: XT1086
Style: Elliptical
Coverage (H x V): 80 x 60
Minimum Frequency: 800 Hz
Throat: 1"
Mounting Type: 2-Bolt
Dimensions (W x H x D): 260 x 215 x 126mm
Additional Notes:
Fiberglass resin clone of the Eighteen Sound XT1086.
Measurements:
Test Notes: Off axis and polars measured using a Celestion CDX1-1731
Mic distance 1m, measurements gated at 4.5ms and are smoothed at 1/48 Octave.
Horizontal:
Vertical:
Raw Horizontal Off Axis Response
Raw Vertical Off Axis Response
Horizontal Off Axis Response - Normalized to On Axis
Vertical Off Axis Response - Normalized to On Axis
Horizontal Polar Response - Normalized to On Axis
-6dB Coverage Angle Highlighted
Vertical Polar Response - Normalized to On Axis
-6dB Coverage Angle Highlighted
Final Notes:
Horizontal coverage is fairly even around 90 degrees (slightly wider then the rated 80), some narrowing above 14 kHz. Vertical coverage isn't quite as even as the horizontal but it's not bad, I'd put it just a tad wider then the rated 60 degrees.